Scope and Contents From the Series: Series II. Instrumental Music includes all the manuscripts containing a preponderance of music for one or more instruments. These are mainly melody parts, duets, and trios in various genres; there are a few bass lines notated separately, which may reflect the practice of improvising over a "ground bass." Some of the note books classed here include one or a few songs, which may have been played rather than sung. Items without unique titles...